Finding the Fourth Proportional to 22,508.38, 31,063.02 and 12,436.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,508.38 : 31,063.02 = 12,436.82 : x
2. Step 2: Convert to fraction form
   22,508.38/31,063.02 = 12,436.82/x
3. Step 3: Cross multiply
   22,508.38x = 31,063.02 × 12,436.82
4. Step 4: Simplify right side
   22,508.38x = 386,325,188.40
5. Step 5: Solve for x
   x = 386,325,188.40/22,508.38
6. Step 6: Final answer
   x = 17,163.62